AimO - 551 Holo / Reflex Sight Knights •Skeleton Trigger & Hammer

•Skeleton Trigger & Hammer

high-quality carbines from the AR-15 family

It has a 10" rail system capable of fixing separate rails to the 7 sides of the octagonal rail system

The gearbox which is reinforced on the height of the cylinder’s head hides a steel main spring guide which is the element of the Enter & Convert™ system and also 8mm ball bearings and steel thread-wheels which are placed on spacers

Also a type 2 cylinder  well as a metal Hop-Up chamber

AimO - 551 Holo / Reflex Sight Knights •Skeleton Trigger & HammerAimO 553 Reflex Sight Black Power safe feature, automatic power off in 2 hours Easy to set up, fits any 20mm rail Elevation and Leverage adjustment on the side of the sight A: brightness adjustment (upward) B: brightness adjustment (downward) C: Reticle colour switching (Red Green) Colour: BK DE Package Include: 1x Sight 1x Cleaning Cloth 1x Instructions